Columbia Banking System, Inc. COLB

NEW YORK, September 18, 2026--KBRA assigns a rating of A- with a Stable Outlook to the $250 million subordinated notes issued by Columbia Bank ("the bank") with a final maturity date of September 18, 2036. The notes are callable at the option of the bank, commencing on September 18, 2031. Net proceeds will be used for general corporate purposes and to retire trust preferred securities outstanding at its holding company, Columbia Banking System, Inc. (NASDAQ: COLB).

Columbia Bank, a subsidiary of Columbia Banking System, Inc. (Nasdaq: COLB), announced today it has promoted Chris Orr to SVP, Director of Trust Sales & Strategic Partnerships for Columbia Private Trust, the bank's specialty custody business. Based in San Francisco, Orr will provide leadership across the full spectrum of growth and relationship-management initiatives serving Columbia Private Trust's institutional and retail client segments.